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I don't think we want to go down the rabbit hole of the typical open water course. I think we have to do what the training agencies do: rely on the fact that somewhat maintained equipment is fairly reliable so divers don't have to rely on the skills they are supposed to master in open water...

For single/twinsets, continuous webbing. For my rebreather, Subgravity adjustable harness.

Trying to keep your head above water is a mistake. Instead, duck underwater, and pull it over your head. I've done it, in a dry suit. And yes, I kept it close to my body. Losing gear beats drowning. However, people should have some redundancy in buoyancy. A good DSMB will do the trick.

Isn't that what ditching a scuba kit at the surface is for? Asking sincerely

I trim out perfectly with a SS BP, 5 mil wetsuit, and Deep 6 Eddy fins (slightly positive in salt water). So when shore diving, I don't have to try to find lead (thought typically a non issue, but just one less hassle) just tanks.

Tecline is a good brand that one of my underwater archaeologist friends uses in Greece. Looks well made.

Just received an email from DDI that they are closing their operations. Sad to see as they were a great organization. The training I received from them definitely helped me as an instructor. This is the email: Dear DDI Member, It is with a heavy heart that I write this e-mail to you. After...

because we have a finite set of things to whinge about. The other items include, but are not limited to: 1. the predominance of open water courses being taught on the knees 2. GUE daring to have objective standards. Those bastards! 3. the existence of split fins. In the words of Andy Davis...

maybe I'm not well versed in how to perform this skill as it wasn't a requirement for open water (so I wasn't practicing in the pool and open water),but judging by a video on YouTube, I thought it was to be performed inverted. How does one climb a ladder upside down? That would be some serious...

so if signed by the boat operator, what must one eat in order to provide sufficient proof that is observable from the surface? :oops:

Yes, webbing is cheap. A backplate in general is a backplate, through there is a difference in machinging details and smooth edges. The price of the BP isn't the material, but the time on the very expensive machine. You shouldn't be spending more than the equivalent of $100. I looked at...

Ben Griner of Coastal Sensing & Survey has shared a number of sites on his website here: Coastal Sensing & Survey. Though I suspect a number of them (especially Lake Union - @rjack321 is probably a good source to weigh in on that) are not divable. Best to always inquire.

I was joking. I love my DRYFOB. Super convenient and well made.

Woosh! It was a joke. These are storage canister. No battery without an OPV.

Let's hope not. I don't want my DRYFOB blowing up and punching a hole through my knee. After the recall after that happened to the cave diver visiting Florida, I got rid of my Big Blue lights, and not just the canister

That may be true of SDI, RAID, NASE of the WRSTC members, but anyone else? It is hardly an industry standard until PADI adopts that, as they are the majority of the market.

I sold someone my Perdix that was over 5 years old and right then the depth sensor went out. Shearwater fixed it for free.

One of the great things about open water students is that they have no idea how "hard" something is supposed to be. They think all classes are the same. When I first made the switch, I would weight my students individually after finishing their swim. I got them floating in the shallows...

Well that settles it! :rofl3: :stirpot:

The Seattle Russian community is hit pretty hard with this (my wife is Russian). There's a discussion in a FB group about this and the dangers of these masks. I wonder what it will take to get them permanently banned or properly tested/certified.